CaratHunter
Plans
Marquise|Lab Grown|IGI

3.00ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG843654684

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843654684

Diamond specifications and retailer prices

From $2,599 AUD
$1,826 USD
As of October 30, 2026
Save $7,965 AUD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $13,619 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3ct lab-grown marquise diamond

This 3ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG843654684 or 843654684. Listed at 18 retailers as of October 30, 2026, with a 306% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843654684
Dimensions15.81 × 7.26 × 4.18 mm
L/W Ratio2.18
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.81 mm7.26 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843654684
Side View
Table 67.0%Crown 34.1°Girdle: MED-STKPavilion 35.7°Culet: NoneDepth 57.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $13,619 AUD|Low: $2,599 AUD|High: $13,650 AUD|Avg: $6,142 AUD|-0.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 3$2,599 AUD
Retailer 5$2,911 AUD
Retailer 7$3,015 AUD
Retailer 4$3,253 AUD
Retailer 12$3,328 AUD
Retailer 2$4,276 AUD
Retailer 16$4,311 AUD
Retailer 10$4,517 AUD
Retailer 11$4,621 AUD
Retailer 15$4,755 AUD
Retailer 6$5,650 AUD
Retailer 9$6,248 AUD
Retailer 18$6,819 AUD
Retailer 13$7,000 AUD
Retailer 17$7,787 AUD
Retailer 14$8,657 AUD
Retailer 8$10,565 AUD
Novita Diamonds$13,619 AUD

28 data points across 18 retailers

18 retailers$2,599 AUD to $10,565 AUD

A
Cheapest Retailer
-
$2,599 AUD
$1,826 USD
A
Retailer 2
-
$2,911 AUD
$2,045 USD
View
Final sale: no returns
A
Retailer 3
-
$3,015 AUD
$2,118 USD
View
A
Retailer 4
-
$3,253 AUD
$2,285 USD
View
A
Retailer 5
-
$3,328 AUD
£1,841 GBP
View
A
Retailer 6
-
$4,276 AUD
£2,365 GBP
View
A
Retailer 7
-
$4,311 AUD
$3,028 USD
View
A
Retailer 8
-
$4,517 AUD
$3,173 USD
View
A
Retailer 9
-
$4,621 AUD
$3,246 USD
View
A
Retailer 10
-
$4,755 AUD
€3,181 EUR
View
A
Retailer 11
-
$5,650 AUD
$3,969 USD
View
A
Retailer 12
-
$6,248 AUD
£3,456 GBP
View
Retailer 13
-
$6,819 AUD
View
Price last confirmed 8 days ago
A
Retailer 14
-
$7,000 AUD
ZAR 79,441 ZAR
View
A
Retailer 15
-
$7,787 AUD
$5,470 USD
View
B+
Retailer 16
-
$8,657 AUD
£4,788 GBP
View
B+
Retailer 17
-
$10,565 AUD
$7,421 USD
View
Most Expensive
Novita Diamonds
cert_843654684 · Oct 8
$13,619 AUD
View
Price last confirmed 22 days ago
17 more retailers have this diamond
Prices start from $2,599 AUDSave up to $7,965 AUD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.00ct Marquise
$2,599 AUD